CVE-2026-6433
HIGH
Published May 11, 2026
Modified May 12, 2026
Description
The Custom css-js-php WordPress plugin through 2.0.7 does not properly sanitize user input before using it in a SQL query, and the result is passed to eval(), allowing unauthenticated users to execute arbitrary PHP code on the server.
Is your site exposed to CVE-2026-6433?
Run a free security scan — no signup, results in seconds.
CVSS v3.1 Score
7.3
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS — Exploit Prediction
0.0097
Probability of exploitation
0.77%
Percentile rank
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
References
Frequently Asked Questions
What is CVE-2026-6433? +
The Custom css-js-php WordPress plugin through 2.0.7 does not properly sanitize user input before using it in a SQL query, and the result is passed to eval(), allowing unauthenticated users to execute arbitrary PHP code on the server. It has a CVSS v3.1 base score of 7.3 (HIGH).
How severe is CVE-2026-6433? +
CVE-2026-6433 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0097, placing it in the 1th percentile for exploitation probability.
How do I check if I'm vulnerable to CVE-2026-6433? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.
